Closed captions on videos are used widely among under 40s, going beyond accessibility and translation to improve understanding and aid multitasking
As automatic captioning on TikTok and creative audio descriptions on Netflix go mainstream, so does accessibility — Closed captions are cool now. Tweets: @pitdesi , @jaffoneh , @kthefirst , @atrios , @chloealbanesius , @srabil , and @amir Tweets: Sheel Mohnot / @pitdesi : I always watch TV with close captions on Thought it was because I got old; it's actually a youngsters thing. 70% of Gen Z watch with CC, compared to 53% of millennials. Netflix says the number of people using CC has more than doubled since 2017. https://archive.ph/... Jehad Affoneh / @jaffoneh : Another example of why focusing on more accessible experiences often results in *better* experiences for all. https://twitter.com/... Triple K / @kthefirst : Thats true, I watch all movies with subtitles because I am usually on Twitter or doing something on my phone. https://twitter.com/... @atrios : captions are fine for a lot of things, but actually ruin comedy, so ... please fix the “can't hear the dialogue” problem https://twitter.com/... Chloe Albanesius / @chloealbanesius : i find CCs help me process shows with lots of characters or a complex subject matter (like Billions with all the shop talk). i also added the audio descriptions during a recent Sopranos rewatch to see what it was like, and ended up keeping them on https://www.wsj.com/... Sarah Rabil / @srabil : I definitely do this. I never have sound turned on on my phone, and we increasingly turn captions on when we're watching TV shows Glad to know the popularity is also benefitting those who really need closed captions. Good story by @CordiliaJames https://www.wsj.com/... Amir Efrati / @amir : Good! This is really the only way to go. Please join our CC religion. https://twitter.com/...
Context & Ripple Effects
The WSJ's generational framing lands on a decade-long build-out: Facebook found auto-captions lifted video view time by 12% back when it added them to video ads in 2016, and TikTok's auto-generation tools later made subtitles near-universal as creators chased the estimated 75% of users watching muted — coverage we carried last fall.
What changed is who captions are for. Netflix says usage has more than doubled since 2017, and the survey cited in the piece puts 70% of Gen Z watching with captions on versus 53% of millennials — no longer an accessibility feature bolted on, but a default viewing mode. The irony: YouTube shuttered its community captions feature in 2020 citing lack of use, just before the habit went mainstream.
First-order effects
- Netflix, TikTok, and other video platforms now treat captioning infrastructure as core product surface — the WSJ data makes captions a retention feature for under-40 audiences rather than a compliance checkbox.
- Creators competing for muted, multitasking viewers are effectively required to caption; the auto-captioning tools TikTok normalized become the minimum bar for reach.
Second-order effects
- Captioning becomes a fundable product category in its own right — AI-powered editing app Captions' $25M Series B led by Kleiner Perkins at a $250M valuation is a direct bet on this behavior.
- Platforms that rely on manual or community captioning lose ground to those with automatic generation, pressuring competitors to ship auto-captioning or concede watch time on muted autoplay feeds.
Third-order effects
- If captions are a default for the under-40 cohort, video is increasingly designed audio-optional — accessibility stops being a niche accommodation and becomes the baseline interface for all viewers, raising the floor for what platforms must support.
- Automatic captioning and audio description at scale make speech-to-text a commodity layer of the video stack, shifting competitive differentiation toward creative uses like Netflix's audio descriptions rather than the captions themselves.
The trend: Video platforms are converting captions from an accessibility afterthought into a default viewing layer, driven by muted autoplay feeds and a generational habit shift among under-40 viewers.